The Mitsubishi Electric A1S3-5 Power Supply Module is a backplane rack power supply for MELSEC PLC systems, designed to fit a 5-slot backplane. It provides the DC power required by MELSEC modules installed in the backplane rack, serving as the primary source of power for the configured PLC hardware. Use this A1S3-5 in MELSEC configurations that require a dedicated backplane power supply for a 5-slot rack, ensuring compatibility with Mitsubishi Electric Melsec PLC backplane arrangements.
